Toothbrush



FIG. 1 is a front right perspective view of a toothbrush according to a first embodiment of the new design;

FIG. 2 is a rear left perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is an enlarged top plan view thereof;

FIG. 8 is an enlarged bottom plan view thereof;

FIG. 9 is a close-up view of area 9 of FIG. 1;

FIG. 10 is a front right perspective view of a toothbrush according to a second embodiment of the new design;

FIG. 11 is a rear left perspective view thereof;

FIG. 12 is a front elevation view thereof;

FIG. 13 is a rear elevation view thereof;

FIG. 14 is a left side elevation view thereof;

FIG. 15 is a right side elevation view thereof;

FIG. 16 is an enlarged top plan view thereof;

FIG. 17 is an enlarged bottom plan view thereof; and,

FIG. 18 is a close-up view of area 18 of FIG. 10.

The dash-dot-dash broken lines shown in FIGS. 1, 9, 10, and 18 define the bounds of the enlarged detail views as well as the portions of the figures from which they were taken. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a toothbrush, as shown and described. 